Plain geology
By: [by George Otis Smith]
Contributors: Geological Survey (U.S.); Society of Economic Geologists (U.S.)
Publisher: U.S. Geological Survey; For sale by Supt. of Docs., U.S. Govt. Print. Off.
Published: 1974
Place of publication: [Washington
Language: eng
Number of pages: 15
Subjects: Geology -- United States; Natural resources -- United States
Notes: "The foregoing paper was presented ... before the Society of Economic Geologists at the Amherst Meeting, December 28, 1921."

"USGS: INF-74-18."